AA 2193 then AA 1909 at DFW
Tucson → Dallas-Fort Worth → Philadelphia
Timetable, Dallas-Fort Worth time
10:27AA 2193 from Tucson at the gate
14:45AA 1909 to Philadelphia leaves the gate
4 h 18 apart on the timetable
The last days
AA 2193 and AA 1909 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.